CVE-2024-24543
CWE-787Published: February 5, 2024· Updated: Jun 17, 2026
Official Description
Buffer Overflow vulnerability in the function setSchedWifi in Tenda AC9 v.3.0, firmware version v.15.03.06.42_multi allows a remote attacker to cause a denial of service or run arbitrary code via crafted overflow data.
Risk Analysis
Tenda AC9 routers are vulnerable to a buffer overflow in the setSchedWifi function, which can be exploited by a remote attacker to crash the device or execute arbitrary code. The critical severity reflects the potential for complete device takeover.
No public exploit is known, and it is not in the KEV. The vulnerability is remotely exploitable.
Update the router firmware to a version newer than v15.03.06.42_multi.
Technical Analysis
CVE-2024-24543 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-787)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2024-24543 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts